xref: /aosp_15_r20/bionic/libc/kernel/uapi/linux/android/binder.h (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)

/*
 * This file is auto-generated. Modifications will be lost.
 *
 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
 * for more information.
 */
#ifndef _UAPI_LINUX_BINDER_H
#define _UAPI_LINUX_BINDER_H
#include <linux/types.h>
#include <linux/ioctl.h>
#define B_PACK_CHARS(c1,c2,c3,c4) ((((c1) << 24)) | (((c2) << 16)) | (((c3) << 8)) | (c4))
#define B_TYPE_LARGE 0x85
enum {
  BINDER_TYPE_BINDER = B_PACK_CHARS('s', 'b', '*', B_TYPE_LARGE),
  BINDER_TYPE_WEAK_BINDER = B_PACK_CHARS('w', 'b', '*', B_TYPE_LARGE),
  BINDER_TYPE_HANDLE = B_PACK_CHARS('s', 'h', '*', B_TYPE_LARGE),
  BINDER_TYPE_WEAK_HANDLE = B_PACK_CHARS('w', 'h', '*', B_TYPE_LARGE),
  BINDER_TYPE_FD = B_PACK_CHARS('f', 'd', '*', B_TYPE_LARGE),
  BINDER_TYPE_FDA = B_PACK_CHARS('f', 'd', 'a', B_TYPE_LARGE),
  BINDER_TYPE_PTR = B_PACK_CHARS('p', 't', '*', B_TYPE_LARGE),
};
enum flat_binder_object_shifts {
  FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT = 9,
};
enum flat_binder_object_flags {
  FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff,
  FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100,
  FLAT_BINDER_FLAG_SCHED_POLICY_MASK = 3U << FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT,
  FLAT_BINDER_FLAG_INHERIT_RT = 0x800,
  FLAT_BINDER_FLAG_TXN_SECURITY_CTX = 0x1000,
};
#ifdef BINDER_IPC_32BIT
typedef __u32 binder_size_t;
typedef __u32 binder_uintptr_t;
#else
typedef __u64 binder_size_t;
typedef __u64 binder_uintptr_t;
#endif
struct binder_object_header {
  __u32 type;
};
struct flat_binder_object {
  struct binder_object_header hdr;
  __u32 flags;
  union {
    binder_uintptr_t binder;
    __u32 handle;
  };
  binder_uintptr_t cookie;
};
struct binder_fd_object {
  struct binder_object_header hdr;
  __u32 pad_flags;
  union {
    binder_uintptr_t pad_binder;
    __u32 fd;
  };
  binder_uintptr_t cookie;
};
struct binder_buffer_object {
  struct binder_object_header hdr;
  __u32 flags;
  binder_uintptr_t buffer;
  binder_size_t length;
  binder_size_t parent;
  binder_size_t parent_offset;
};
enum {
  BINDER_BUFFER_FLAG_HAS_PARENT = 0x01,
};
struct binder_fd_array_object {
  struct binder_object_header hdr;
  __u32 pad;
  binder_size_t num_fds;
  binder_size_t parent;
  binder_size_t parent_offset;
};
struct binder_write_read {
  binder_size_t write_size;
  binder_size_t write_consumed;
  binder_uintptr_t write_buffer;
  binder_size_t read_size;
  binder_size_t read_consumed;
  binder_uintptr_t read_buffer;
};
struct binder_version {
  __s32 protocol_version;
};
#ifdef BINDER_IPC_32BIT
#define BINDER_CURRENT_PROTOCOL_VERSION 7
#else
#define BINDER_CURRENT_PROTOCOL_VERSION 8
#endif
struct binder_node_debug_info {
  binder_uintptr_t ptr;
  binder_uintptr_t cookie;
  __u32 has_strong_ref;
  __u32 has_weak_ref;
};
struct binder_node_info_for_ref {
  __u32 handle;
  __u32 strong_count;
  __u32 weak_count;
  __u32 reserved1;
  __u32 reserved2;
  __u32 reserved3;
};
struct binder_freeze_info {
  __u32 pid;
  __u32 enable;
  __u32 timeout_ms;
};
struct binder_frozen_status_info {
  __u32 pid;
  __u32 sync_recv;
  __u32 async_recv;
};
struct binder_extended_error {
  __u32 id;
  __u32 command;
  __s32 param;
};
enum {
  BINDER_WRITE_READ = _IOWR('b', 1, struct binder_write_read),
  BINDER_SET_IDLE_TIMEOUT = _IOW('b', 3, __s64),
  BINDER_SET_MAX_THREADS = _IOW('b', 5, __u32),
  BINDER_SET_IDLE_PRIORITY = _IOW('b', 6, __s32),
  BINDER_SET_CONTEXT_MGR = _IOW('b', 7, __s32),
  BINDER_THREAD_EXIT = _IOW('b', 8, __s32),
  BINDER_VERSION = _IOWR('b', 9, struct binder_version),
  BINDER_GET_NODE_DEBUG_INFO = _IOWR('b', 11, struct binder_node_debug_info),
  BINDER_GET_NODE_INFO_FOR_REF = _IOWR('b', 12, struct binder_node_info_for_ref),
  BINDER_SET_CONTEXT_MGR_EXT = _IOW('b', 13, struct flat_binder_object),
  BINDER_FREEZE = _IOW('b', 14, struct binder_freeze_info),
  BINDER_GET_FROZEN_INFO = _IOWR('b', 15, struct binder_frozen_status_info),
  BINDER_ENABLE_ONEWAY_SPAM_DETECTION = _IOW('b', 16, __u32),
  BINDER_GET_EXTENDED_ERROR = _IOWR('b', 17, struct binder_extended_error),
};
enum transaction_flags {
  TF_ONE_WAY = 0x01,
  TF_ROOT_OBJECT = 0x04,
  TF_STATUS_CODE = 0x08,
  TF_ACCEPT_FDS = 0x10,
  TF_CLEAR_BUF = 0x20,
  TF_UPDATE_TXN = 0x40,
};
struct binder_transaction_data {
  union {
    __u32 handle;
    binder_uintptr_t ptr;
  } target;
  binder_uintptr_t cookie;
  __u32 code;
  __u32 flags;
  __kernel_pid_t sender_pid;
  __kernel_uid32_t sender_euid;
  binder_size_t data_size;
  binder_size_t offsets_size;
  union {
    struct {
      binder_uintptr_t buffer;
      binder_uintptr_t offsets;
    } ptr;
    __u8 buf[8];
  } data;
};
struct binder_transaction_data_secctx {
  struct binder_transaction_data transaction_data;
  binder_uintptr_t secctx;
};
struct binder_transaction_data_sg {
  struct binder_transaction_data transaction_data;
  binder_size_t buffers_size;
};
struct binder_ptr_cookie {
  binder_uintptr_t ptr;
  binder_uintptr_t cookie;
};
struct binder_handle_cookie {
  __u32 handle;
  binder_uintptr_t cookie;
} __attribute__((__packed__));
struct binder_pri_desc {
  __s32 priority;
  __u32 desc;
};
struct binder_pri_ptr_cookie {
  __s32 priority;
  binder_uintptr_t ptr;
  binder_uintptr_t cookie;
};
enum binder_driver_return_protocol {
  BR_ERROR = _IOR('r', 0, __s32),
  BR_OK = _IO('r', 1),
  BR_TRANSACTION_SEC_CTX = _IOR('r', 2, struct binder_transaction_data_secctx),
  BR_TRANSACTION = _IOR('r', 2, struct binder_transaction_data),
  BR_REPLY = _IOR('r', 3, struct binder_transaction_data),
  BR_ACQUIRE_RESULT = _IOR('r', 4, __s32),
  BR_DEAD_REPLY = _IO('r', 5),
  BR_TRANSACTION_COMPLETE = _IO('r', 6),
  BR_INCREFS = _IOR('r', 7, struct binder_ptr_cookie),
  BR_ACQUIRE = _IOR('r', 8, struct binder_ptr_cookie),
  BR_RELEASE = _IOR('r', 9, struct binder_ptr_cookie),
  BR_DECREFS = _IOR('r', 10, struct binder_ptr_cookie),
  BR_ATTEMPT_ACQUIRE = _IOR('r', 11, struct binder_pri_ptr_cookie),
  BR_NOOP = _IO('r', 12),
  BR_SPAWN_LOOPER = _IO('r', 13),
  BR_FINISHED = _IO('r', 14),
  BR_DEAD_BINDER = _IOR('r', 15, binder_uintptr_t),
  BR_CLEAR_DEATH_NOTIFICATION_DONE = _IOR('r', 16, binder_uintptr_t),
  BR_FAILED_REPLY = _IO('r', 17),
  BR_FROZEN_REPLY = _IO('r', 18),
  BR_ONEWAY_SPAM_SUSPECT = _IO('r', 19),
  BR_TRANSACTION_PENDING_FROZEN = _IO('r', 20),
};
enum binder_driver_command_protocol {
  BC_TRANSACTION = _IOW('c', 0, struct binder_transaction_data),
  BC_REPLY = _IOW('c', 1, struct binder_transaction_data),
  BC_ACQUIRE_RESULT = _IOW('c', 2, __s32),
  BC_FREE_BUFFER = _IOW('c', 3, binder_uintptr_t),
  BC_INCREFS = _IOW('c', 4, __u32),
  BC_ACQUIRE = _IOW('c', 5, __u32),
  BC_RELEASE = _IOW('c', 6, __u32),
  BC_DECREFS = _IOW('c', 7, __u32),
  BC_INCREFS_DONE = _IOW('c', 8, struct binder_ptr_cookie),
  BC_ACQUIRE_DONE = _IOW('c', 9, struct binder_ptr_cookie),
  BC_ATTEMPT_ACQUIRE = _IOW('c', 10, struct binder_pri_desc),
  BC_REGISTER_LOOPER = _IO('c', 11),
  BC_ENTER_LOOPER = _IO('c', 12),
  BC_EXIT_LOOPER = _IO('c', 13),
  BC_REQUEST_DEATH_NOTIFICATION = _IOW('c', 14, struct binder_handle_cookie),
  BC_CLEAR_DEATH_NOTIFICATION = _IOW('c', 15, struct binder_handle_cookie),
  BC_DEAD_BINDER_DONE = _IOW('c', 16, binder_uintptr_t),
  BC_TRANSACTION_SG = _IOW('c', 17, struct binder_transaction_data_sg),
  BC_REPLY_SG = _IOW('c', 18, struct binder_transaction_data_sg),
};
#endif